Karl C. Schaub (December 12, 1869 – January 31, 1959) was a Swiss-born American architect who designed many buildings in the state of Utah, including the NRHP-listed Hyrum First Ward Meetinghouse and Old Main in Logan. He was the co-partner of Schaub and Monson with Joseph Monson for eight years. He also served as a bishop of the Church of Jesus Christ of Latter-day Saints.

The Hyrum First Ward Meetinghouse.

Works include: